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What is the Least Common Multiple of 91356 and 91370?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 91356 and 91370 is 4173598860.

LCM(91356,91370) = 4173598860

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Least Common Multiple of 91356 and 91370 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91356 and 91370, than apply into the LCM equation.

GCF(91356,91370) = 2
LCM(91356,91370) = ( 91356 × 91370) / 2
LCM(91356,91370) = 8347197720 / 2
LCM(91356,91370) = 4173598860

Least Common Multiple (LCM) of 91356 and 91370 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91356 and 91370. First we will calculate the prime factors of 91356 and 91370.

Prime Factorization of 91356

Prime factors of 91356 are 2, 3, 23, 331. Prime factorization of 91356 in exponential form is:

91356 = 22 × 31 × 231 × 3311

Prime Factorization of 91370

Prime factors of 91370 are 2, 5, 9137. Prime factorization of 91370 in exponential form is:

91370 = 21 × 51 × 91371

Now multiplying the highest exponent prime factors to calculate the LCM of 91356 and 91370.

LCM(91356,91370) = 22 × 31 × 231 × 3311 × 51 × 91371
LCM(91356,91370) = 4173598860